104280 has 64 divisors (see below), whose sum is σ = 345600. Its totient is φ = 24960.
The previous prime is 104243. The next prime is 104281. The reversal of 104280 is 82401.
104280 = T32 + T33 + ... + T86.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281 + ... + 1359.
It is an arithmetic number, because the mean of its divisors is an integer number (5400).
2104280 is an apocalyptic number.
104280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 104280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800).
104280 is an abundant number, since it is smaller than the sum of its proper divisors (241320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104280 is a wasteful number, since it uses less digits than its factorization.
104280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104 (or 100 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 104280 is about 322.9241396985. The cubic root of 104280 is about 47.0688593792.
Adding to 104280 its reverse (82401), we get a palindrome (186681).
The spelling of 104280 in words is "one hundred four thousand, two hundred eighty".
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